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uwb: fix device quirk on big-endian hosts

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commit 41318a2b82f5d5fe1fb408f6d6e0b22aa557111d upstream.

Add missing endianness conversion when using the USB device-descriptor
idProduct field to apply a hardware quirk.

Fixes: 1ba47da52712 ("uwb: add the i1480 DFU driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2017-05-12 12:06:32 +02:00 committed by Greg Kroah-Hartman
parent f157261b55
commit 3fe116563d
1 changed files with 3 additions and 2 deletions
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5
drivers/uwb/i1480/dfu/usb.c
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@ -341,6 +341,7 @@ error_submit_ep1:
static
int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(iface);
struct i1480_usb *i1480_usb;
struct i1480 *i1480;
struct device *dev = &iface->dev;
@ -352,8 +353,8 @@ int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id)
iface->cur_altsetting->desc.bInterfaceNumber);
goto error;
}
if (iface->num_altsetting > 1
&& interface_to_usbdev(iface)->descriptor.idProduct == 0xbabe) {
if (iface->num_altsetting > 1 &&
le16_to_cpu(udev->descriptor.idProduct) == 0xbabe) {
/* Need altsetting #1 [HW QUIRK] or EP1 won't work */
result = usb_set_interface(interface_to_usbdev(iface), 0, 1);
if (result < 0)